Food Safety Report: Dairy Queen Grill & Chill, Centennial Boulevard, Warman, SK, Canada 2 years ago • details 2 Comments Comment Suspected food poisoning. Symptoms: Nausea, Vomiting, Stomach Pain, Cramps, Headache Suspected source: dilly bar Onset: Less than 4 hours Duration: 4 to 12 hours Sick: Me